. ...^ Fig. 147.—Egg of the common liver fluke containing a ciliated embryo (miracidium) ready to hatch out: d, remains of food ; e, cushion of jelly-like substance ; /, boring pa- pilla ; li, eye-spots ; A-, germuial cells. X 680. (After Thomas, 1883, p. 283, Fig. 2.) of the latter, and are expelled from the host with the fsecal matter. Many of them become dried, and then undergo no further development; but others are naturally dropped in the water in marshes^ or, being dropped on dry ground, they are washed into water by the rain, or are carried to a more favourable position by the feet of a
. ...^ Fig. 147.—Egg of the common liver fluke containing a ciliated embryo (miracidium) ready to hatch out: d, remains of food ; e, cushion of jelly-like substance ; /, boring pa- pilla ; li, eye-spots ; A-, germuial cells. X 680. (After Thomas, 1883, p. 283, Fig. 2.) of the latter, and are expelled from the host with the fsecal matter. Many of them become dried, and then undergo no further development; but others are naturally dropped in the water in marshes^ or, being dropped on dry ground, they are washed into water by the rain, or are carried to a more favourable position by the feet of animals pasturing or passing through the fields. After a longer or shorter period of incubation, which
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkwrjenkins
